D128 Mathematics for
Elementary Educators With
complete solutions already
graded A+
What is the length of the missing leg in a right triangle with a hypotenuse
of 25 in. and a leg of 9 in.? - answer 4√34 in.
A scalene Triangle has - answer no congruent sides
Find the distance between points (0, 4) and (15, 0) by applying the
Pythagorean theorem. - answer 15.52
A circle has a diameter of 12.8 ft. What is the area of this circle? - answer
128.61 ft.
A circle has a circumference of 12.65 cm. Assuming π = 3.14, what is the
measure of this circle's diameter? - answer 4.03 cm
A directional sign can be best described as which type of polygon? -
answer rectangle
A quadrilateral has four congruent sides and diagonals that are
perpendicular. - answer Rhombus
Points P (−2, 1), R (−2, −5), and Q (−6, −5) create triangle PQR, which is
then translated 1 unit down and 3 units to the right. What is the new x-
coordinate of R? - answer A23
What is the triangle rotated 90 degrees about the origin? - answer The
triangle now sits in the upper left corner
, Which shows a dilation of the figure below? - answer Enlargement by scale
factor of one half
Triangle ABC is congruent with triangle DEF. Which of the following angles
in DEF is congruent to m< BCA in the first triangle? - answer < EFD
A square with vertices A(2, 6) B(4, 8) C(4, 6) and D(2, 4) is dilated by a
scale factor of 3 with reference to the origin. Which of the following is the
coordinate of B'? - answer (12,24)
Given ABCD ~ WXYZ, which of the following is true? - answer BC~ XY
Which of the following theorems proves that two figures are similar, but
not congruent? - answer Angle Angle
Which transformation will map (2, 5) onto (-2, 5) - answer (-x, y)
Two triangles are drawn in the coordinate plane. The vertices of the first
triangle are (5, 4), (−4, 6), (−8, 9). The vertices of the second triangle are
(1, 6), (−8, 8), ( x, y). Find the value of x and y that allow these two
triangles to be congruent. - answer (−12, 11)
An octagon in the coordinate plane is transformed.Which of the following
transformations would result in a similar figure? - answer (-5x, -5y)
Which type of transformation are these figures an example of? - answer
Dilation
A circle has an area of approximately 615.75 in 2. What is the
circumference of the circle? - answer 87.96 inches
What is the area of this figure? - answer 63 square units
Elementary Educators With
complete solutions already
graded A+
What is the length of the missing leg in a right triangle with a hypotenuse
of 25 in. and a leg of 9 in.? - answer 4√34 in.
A scalene Triangle has - answer no congruent sides
Find the distance between points (0, 4) and (15, 0) by applying the
Pythagorean theorem. - answer 15.52
A circle has a diameter of 12.8 ft. What is the area of this circle? - answer
128.61 ft.
A circle has a circumference of 12.65 cm. Assuming π = 3.14, what is the
measure of this circle's diameter? - answer 4.03 cm
A directional sign can be best described as which type of polygon? -
answer rectangle
A quadrilateral has four congruent sides and diagonals that are
perpendicular. - answer Rhombus
Points P (−2, 1), R (−2, −5), and Q (−6, −5) create triangle PQR, which is
then translated 1 unit down and 3 units to the right. What is the new x-
coordinate of R? - answer A23
What is the triangle rotated 90 degrees about the origin? - answer The
triangle now sits in the upper left corner
, Which shows a dilation of the figure below? - answer Enlargement by scale
factor of one half
Triangle ABC is congruent with triangle DEF. Which of the following angles
in DEF is congruent to m< BCA in the first triangle? - answer < EFD
A square with vertices A(2, 6) B(4, 8) C(4, 6) and D(2, 4) is dilated by a
scale factor of 3 with reference to the origin. Which of the following is the
coordinate of B'? - answer (12,24)
Given ABCD ~ WXYZ, which of the following is true? - answer BC~ XY
Which of the following theorems proves that two figures are similar, but
not congruent? - answer Angle Angle
Which transformation will map (2, 5) onto (-2, 5) - answer (-x, y)
Two triangles are drawn in the coordinate plane. The vertices of the first
triangle are (5, 4), (−4, 6), (−8, 9). The vertices of the second triangle are
(1, 6), (−8, 8), ( x, y). Find the value of x and y that allow these two
triangles to be congruent. - answer (−12, 11)
An octagon in the coordinate plane is transformed.Which of the following
transformations would result in a similar figure? - answer (-5x, -5y)
Which type of transformation are these figures an example of? - answer
Dilation
A circle has an area of approximately 615.75 in 2. What is the
circumference of the circle? - answer 87.96 inches
What is the area of this figure? - answer 63 square units
